feat(content_hash): propagate etag and hash_content to */resources

src/interfaces/api/handlers/recent_handler.rs

@@ -19,6 +19,7 @@ use crate::application::dtos::recent_dto::{
 };
 use crate::application::ports::recent_ports::RecentItemsUseCase;
 use crate::application::services::recent_service::RecentService;
+use crate::domain::entities::file::File;
 use crate::interfaces::errors::AppError;
 use crate::interfaces::middleware::auth::AuthUser;
 use uuid::Uuid;
@@ -309,8 +310,16 @@ pub async fn list_recent_resources(
                             .as_deref()
                             .unwrap_or("application/octet-stream");
                         let size_bytes = row.size.max(0) as u64;
-                        // Recents listing row doesn't carry blob_hash
-                        // (same reason as folder_handler / favorites).
+                        // Route ETag through `File::compute_etag` so this
+                        // listing matches GET/HEAD/PROPFIND byte-for-byte
+                        // for the same file.
+                        let modified_at_u = row.modified_at.timestamp() as u64;
+                        let content_hash = row.blob_hash.clone().unwrap_or_default();
+                        let etag = if content_hash.is_empty() {
+                            String::new()
+                        } else {
+                            File::compute_etag(&content_hash, modified_at_u)
+                        };
                         let dto = FileDto {
                             id: row.resource_id.to_string(),
                             name: row.name.clone(),
@@ -319,7 +328,7 @@ pub async fn list_recent_resources(
                             mime_type: std::sync::Arc::from(mime),
                             folder_id: row.parent_id.map(|u| u.to_string()),
                             created_at: row.resource_created_at.timestamp() as u64,
-                            modified_at: row.modified_at.timestamp() as u64,
+                            modified_at: modified_at_u,
                             icon_class: std::sync::Arc::from(icon_class_for(&row.name, mime)),
                             icon_special_class: std::sync::Arc::from(icon_special_class_for(
                                 &row.name, mime,
@@ -328,8 +337,8 @@ pub async fn list_recent_resources(
                             size_formatted: format_file_size(size_bytes),
                             owner_id: Some(row.owner_id.to_string()),
                             sort_date: None,
-                            content_hash: String::new(),
-                            etag: String::new(),
+                            content_hash,
+                            etag,
                         };
                         RecentResourceItemDto {
                             resource_type: ResourceTypeDto::File,